FM Products Glock Style 9mm Bolt Carrier Assembly Black

FM Products Glock Style 9mm Bolt Carrier Assembly Black. This Premium 9mm Bolt Carrier Assembly is compatible with all 9MM Pistol Caliber AR builds. Maintaining a harder core than standard 8620 steel this carrier is machined from hardened Premium 4340 Steel. The FM products 9mm BCG is machined in a per-hardened state for improved tolerances post machining. A long duration salt bath nitride finish is applied for a long service life and superior corrosion resistance. Specifications for FM Products Glock Style 9mm Bolt Carrier Assembly: Manufacturer: FM Products Color: Black Finish: Salt bath Nitride Melonite/QPQ Fabric/Material: 4340 Steel Cartridge: 9mm Luger Gun Make: AR Platform Gun Model: AR-15 Included Accessories: S7 Tool Steel Extractor and Premium S7 Firing Pin coated in Nickel Boron Condition: New Features of FM Products Glock Style 9mm Bolt Carrier Assembly Premium 4340 Steel Bolt Carrier machined pre hardened; S7 Tool Steel Extractor and Firing Pin; Premium S7 Firing Pin coated in Nickel Boron; Long duration deep penetration Salt bath Nitride Melonite/QPQ finish gives lubricity and wear-resistance; Removable weight compatible with all PDW stocks and Captured Recoil Systems on the market; Ramped to accommodate both MIL-SPEC and 9mm hammers; Forged then precision machined extractor made from S7 tool steel; M16 profile; Manufactured with ISO:9001 and AS:9100 quality certifications; Premium one piece design much stronger than 2 piece BCG on the market; Extractor spring and Hardware made to Colt Spec Package Contents: FM Products Glock Style 9mm Bolt Carrier Assembly FM Products FM9-BCG: Glock Style 9mm Bolt Carrier Assembly Black